QUESTION 3 The electric power consumed each month by a chemical plant is thought to be related to the average ambient temperaturex1, the number of days in the month x), the average product purity x3, and the tons of product produced x4. The past year's historical data are available and are presented in the following table. 240 25 24 91 100 236 290 274 31 45 21 90 95 110 24 88 60 25 87 88 301 65 25 91 94 316 72 26 25 25 94 87 99 97 96 300 80 296 84 75 86 88 267 276 24 110 60 25 91 105 288 50 25 90 100 261 38 23 89 98 If y= ao+a1X1+a2x2+A3X3+ a4X4 represents the regression model. What is the value of a4? Use 4 decimal places.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
icon
Related questions
Question
QUESTION 3
The electric power consumed each month by a chemical plant is thought to be related to the average ambient temperature x1, the number of days in the month x), the average product
purity x3, and the tons of product produced x4. The past year's historical data are available and are presented in the following table.
240
25
24
91
100
31
236
290
21
90
95
110
45
24
88
274
60
25
87
88
301
65
25
91
94
316
72
94
26
25
25
99
97
300
80
87
296
84
86
96
267
75
24
88
110
276
60
25
91
105
288
261
50
25
90
100
38
23
89
98
If y= ao+@1X1+a2x2+@3X3+ a4X4 represents the regression model. What is the value of a4? Use 4 decimal places.
Transcribed Image Text:QUESTION 3 The electric power consumed each month by a chemical plant is thought to be related to the average ambient temperature x1, the number of days in the month x), the average product purity x3, and the tons of product produced x4. The past year's historical data are available and are presented in the following table. 240 25 24 91 100 31 236 290 21 90 95 110 45 24 88 274 60 25 87 88 301 65 25 91 94 316 72 94 26 25 25 99 97 300 80 87 296 84 86 96 267 75 24 88 110 276 60 25 91 105 288 261 50 25 90 100 38 23 89 98 If y= ao+@1X1+a2x2+@3X3+ a4X4 represents the regression model. What is the value of a4? Use 4 decimal places.
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Similar questions
Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Basic Technical Mathematics
Basic Technical Mathematics
Advanced Math
ISBN:
9780134437705
Author:
Washington
Publisher:
PEARSON
Topology
Topology
Advanced Math
ISBN:
9780134689517
Author:
Munkres, James R.
Publisher:
Pearson,